Low Noise Amplifier by G4DDK
2016-10-31 by:CAE仿真在線 來源:互聯(lián)網(wǎng)
【注】噪聲系數(shù)小,缺點是制作較困難,需手動制作繞線電感,對源級負反饋電感要求高。
1. 23cm / 13cm / 9cm LNA 原理圖
NE32584 or ATF36077
![image image](http://m.09bigdata.com/i/g/53/53a352b71fa25ea9b280cb66e35b9c4cr.png)
MGF4919
![image image](http://m.09bigdata.com/i/g/13/131a3095de95a575757ac264487c5f9fr.png)
2. PCB
![image image](http://m.09bigdata.com/i/g/d3/d31a9d4b88e1d97a8faa01ebfaaad96br.png)
![image image](http://m.09bigdata.com/i/g/f4/f4e974fda5a5ca50d7c4a030a7a05202r.png)
![image image](http://m.09bigdata.com/i/g/5a/5af691c41aaddb06fb3f66cf7af3a516r.png)
![image image](http://m.09bigdata.com/i/g/06/06f42c4cc62332e6ea924951d5236a12r.png)
![image image](http://m.09bigdata.com/i/g/38/38d37dde044a009d265b4af165882454r.png)
![image image](http://m.09bigdata.com/i/g/b9/b98a93e797b270b9e9424a66c1f38b30r.png)
3. 性能
![image image](http://m.09bigdata.com/i/g/89/89553d94f6e5b907da94128f9e1b65c4r.png)
![image image](http://m.09bigdata.com/i/g/7b/7b00037bdb69c482b149fec53d97afefr.png)
23cm LNA
![image image](http://m.09bigdata.com/i/g/81/8139a6048819501f632e19bf07b07175r.png)
13cm LNA
![image image](http://m.09bigdata.com/i/g/9c/9cb5391102158414f6edcff02f6ec865r.png)
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